Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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OCN: 065J ONE RING NETWORKS, INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
469-482 A Dallas Fort Worth Airport TX DLLSTX3794Z  552      
469-482 1 Dallas Fort Worth Airport TX DLLSTX3794Z  552   2018-07-09   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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